Patents by Inventor Hsieh Min-Lang

Hsieh Min-Lang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Locking mechanism of zoom lens
    Patent number: 5726812
    Abstract: A locking mechanism of zoom lens which is primarily applied on zoom lens to prevent the lens group of the zoom lens to prevent the lens group of the zoom lens structure from entering into the non-zooming zone of the curvilinear slots through its zooming zone. The said locking mechanism of zoom lens mainly consists of a reverse rotation stopping block, a spring-loaded restoring slider, a stopping piece and a cap.
    Type: Grant
    Filed: April 23, 1996
    Date of Patent: March 10, 1998
    Assignee: Industrial Technology Research Institute
    Inventors: Hsieh Min-Lang, Chia-Jen Ting